Anyway, what you need to do is organize your folders -- try to narrow it down and keep only the essentials. Find a picture with a centralized subject, something that catches your eye without overwhelming it. Find a color scheme that matches.
http://i352.photobucket.com/albums/r329/Topgallant/desktop.jpg This might not be your style, but I chose a muted blue/green set of colors and kept only a few files out on my desktop. I'm minimalistic, so that might just be my own preference.